package zms.roya.comm.interface2;

public class testmain {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		 
		student st=new student("ivyzms",32);
		dongzuo dz=st;
		dz.paishou();
		
		gongren gr=new gongren();
		
	     dz=gr;
	     dz.paishou();

	}

}
